Java/Java_BigInteger.java
<filename>Java/Java_BigInteger.javaimport java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        BigInteger a = new BigInteger(sc.next());

        BigInteger b = new BigInteger(sc.next());

        BigInteger c, d;
        
         c = a.add(b);
         d = a.multiply(b);

        System.out.println(c);
        System.out.println(d);
    }
}
